Home / 159,614.48-220,269.47-87,997.07

Finding the Fourth Proportional to 159,614.48, 220,269.47 and 87,997.07

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Solution

The fourth proportional to 159,614.48, 220,269.47 and 87,997.07 is: 121,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,614.48 : 220,269.47 = 87,997.07 : x
  2. Step 2: Convert to fraction form
    159,614.48/220,269.47 = 87,997.07/x
  3. Step 3: Cross multiply
    159,614.48x = 220,269.47 × 87,997.07
  4. Step 4: Simplify right side
    159,614.48x = 19,383,068,081.14
  5. Step 5: Solve for x
    x = 19,383,068,081.14/159,614.48
  6. Step 6: Final answer
    x = 121,436.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.